MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external URIs and is flagged as a link farm, indicating a likely attempt to redirect users to malicious sites. The presence of embedded JavaScript and a high ML classifier score further support its malicious nature. ClamAV detection as Pdf.Phishing.Trojan confirms this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://queure.ru/uplcv?utm_term=application+ifruit+gta+5+android PDF link annotation
- http://bursaceyizgelinlik.com/images_upload/files/70663443949.pdfIn PDF document text
- http://stickers-moins-cher.com/userfiles/stickers-moins-cher.com/file/filofanodib.pdfIn PDF document text
- https://snpwachq.com/files/js/ckfinder/userfiles/files/31905047527.pdfIn PDF document text
- http://3asoft.vn/img/files/99881814398.pdfIn PDF document text
- http://milwaukee.center/userfiles/file/74467873980.pdfIn PDF document text
- http://abworder.com/uploads/files/pagufanetagejomadakevo.pdfIn PDF document text
- https://shiprapublication.com/uniformkontakt/userfiles/image/files/sexosoxedakotivedosorub.pdfIn PDF document text
- https://xn--80aesyq.xn--p1ai/files/file/65537208521.pdfIn PDF document text
- http://klick-tipp.info/ckfinder/userfiles/publics/files/migiwupibefuvofasizu.pdfIn PDF document text
- https://conviviodihera.it/dati/upload/file/lorabipekifoxo.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff60e52285---14185771954.pdfIn PDF document text
- https://supportsystemsvainc.com/home/ssvi/public_html/ckfinder/userfiles/files/25712057302.pdfIn PDF document text
- http://optimumnieruchomosci.pl/uploads/userfiles/files/kobinejosebe.pdfIn PDF document text
- https://lensmam.com/userfiles/file/3940002565.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/16133436f72a3f---53025582377.pdfIn PDF document text
- http://jl-vacuum.com/upload/files/valoruverute.pdfIn PDF document text
- http://klusjesindex.nl/images/uploads/vafonutorefelabiwujuxexi.pdfIn PDF document text
- http://randygordonlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sexurivafusenaru.pdfIn PDF document text
- https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/35817920f960af2590e796b7b1d10c1d/68356079656.pdfIn PDF document text
- http://speaklifeiamgreatness.com/files/files/genoza.pdfIn PDF document text
- http://bdn10.cz/files/file/55211948046.pdfIn PDF document text
- http://nacyc.jp/Upload/file/86419803400.pdfIn PDF document text
- http://av72-reklama.ru/userfiles/file/163062261126ff7927a79610bf6be.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c15e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC15E | 10708 bytes |
SHA-256: 4f61271bdc23ad292f4b972f408aab258a1c10b151a1831bc6e9c7594cd51e2e |
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font_01_sfnt_off0000d9f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9F0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f202.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF202 | 21724 bytes |
SHA-256: 6df1f6b9b17bdc18b9be9e48784d0962cb229134a999fbb151cb27d0d019ffd1 |
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